Pytest capture logging. Jun 30, 2022 · so I have configured the pytest.

Pytest capture logging waitUntil: Waiting for arbitrary conditions; waitCallback: Waiting for methods taking a callback; Exceptions in virtual methods; Model Captured logs are available through the following properties/methods:: * caplog. ini（或者：tox. -k "test_name" and in a different test function I had disabled logging. Reload to refresh your session. pytest-8. Source code for _pytest. basicConfig() logging. This is a problem for pyreadline, which is often used to implement readline support on Windows, as it does not attach to the correct handles for stdout and/or stdin if they have been redirected by the FDCapture By setting the :confval:`log_cli` configuration option to true, pytest will output logging records as they are emitted directly into the console. Aug 1, 2023 · Make sure you have set up the logging module. , reset logging) logging Oct 31, 2022 · After getting the 3 libraries to work with both fork and spawn process starting methods, I tried to replicate the test within the pytest framework. However, captured. captureWarnings(capture=True) # cat tests/t1_warn. messages == ['Hello Peter!'] It turned out that my logger had property propagate set to False. """ from contextlib import contextmanager from contextlib import nullcontext from datetime import datetime from datetime import timedelta from datetime import timezone import io from io import StringIO import logging from logging import LogRecord import os from pathlib import Path import re from types import TracebackType from Aug 1, 2023 · import pytest import logging def test_logging(caplog): logging. Configure logger to capture log messages. There are a number of modules used by the app and their logging also ends up in the log file. pytest-qt also provides a qtlog fixture that can used to check if certain messages were emitted during a test: Sep 3, 2019 · [TOC] &quot;返回: Pytest权威教程&quot; 记录日志 Pytest默认捕获WARNING以上日志消息，在每个失败的测试结果概要中，捕获的log信息和stdout、stderr信息使用相同的方式，分块显示。 不带选项运行： 失败的用例显示格式如下： 默认情况下，捕获到的每条日志消 Dec 12, 2018 · In my tests, I use fixture to run a web server Docker container via docker-py and detach=True. structlog comes with tools for testing the logging behavior of your application. getLevelName (level To temporarily disable capture within a test, the capture fixtures have a disabled() method that can be used as a context manager, disabling capture inside the with block: def test_disabling_capturing ( capsys ): print ( "this output is captured" ) with capsys . You can specify the logging level for which log records with equal or higher level are printed to the console by passing --log-cli-level. INFO) return logger def test_logger_with_fixture(logger, caplog): logger. basicConfig(level=logging. output == '' assert caplog. Print Statement. xml tests/test_something. import logging def test_myoutput(capsys): # or use "capfd" for fd-level print(&quot;hello&quot;) Dec 22, 2022 · Your work-around does achieve the desired results. Blogger(self. record_tuples -> list of (logger_name, level, message) tuples * caplog. fixture def configure_logging(): logging. Mar 29, 2023 · The setup: # cat tests/conftest. LogRecord instances and the final log text. test # is either broken or unsupported. stdout, but use a function: def log(s): write(sys. So the question is - how to capture logs in other fixture? Lastly all the logs sent to the logger during the test run are made available on the fixture in the form of both the logging. All of the CLI log options can also be set in the configuration INI file. test -s -vvvv tests/your_test. testing. stdout/stderr 然后传递给真实的标准输出 译者注：TODO. Alternative Ways to Capture Logs. Pytest has a built-in fixture called caplog. """ import io import logging import os import re from contextlib import contextmanager from contextlib import nullcontext from io import StringIO from pathlib import Path from typing import AbstractSet from typing import Dict from typing import Generator from typing import List from typing import Mapping from typing import Jun 1, 2018 · Hot to use pytest capture logging. Fast and Quick? Not always Unit tests should run fast so the entire test suite can be Nov 12, 2020 · import os def pytest_terminal_summary(terminalreporter, exitstatus, config): # on failures, don't add "Captured stdout call" as pytest does that already # otherwise, the section "Captured stdout call" will be added twice if exitstatus > 0: return # get all reports reports = terminalreporter. My current implementation substitutes my own get_logger() function for use by pytest test cases. Logging¶ pytest captures log messages of level WARNING or above automatically and displays them in their own section for each failed test in the same manner as captured stdout and stderr. py $ py. py. The logging library offers various components like loggers, handlers, and formatters to customize the way you capture and represent information. May 8, 2024 · Python’s built-in logging module provides a flexible framework for emitting log messages from Python programs. Then you can set the level that you want to see with your pytest call to for example DEBUG: pytest --log-cli-level DEBUG or you can specify it in your pytest. Did you find the logging solutions helpful? Have you encountered any issues while implementing logging in your pytest tests? Please let us know! FAQs on Top 5 Ways to Log Within Pytest Tests Valid level strings are in :data:`logging. ini file where you set: [pytest] log_cli = True This will make your logs show on the terminal as they are emitted. Hot Network Questions Are axioms impositions unto or descriptions of primitive objects Can I Run the JFET at 4. Simply put, logging involves recording information about the runtime behavior of code, allowing you to gain insights into the flow of your application. ini 2 config. In either case, raise an exception. toml to not having to enter it each time: [tool. (First 2 lines in output) Nov 23, 2016 · I run this with pytest test_me. stdout，如下，红框1中即为实时打印，将sys. ini file, use plugins to extend logging capabilities, disable logs, and change the log level at a single test level using the caplog fixture. setLevel(logging. b = tum. """ original_disable_level: int = logger_obj. test_TripTick. getLogger(). cfg: Jul 27, 2016 · I tried pytest-catchlog plugin and it works fine! import pytest import logging @pytest. 2. stdout and sys. Модуль pytest автоматически фиксирует сообщения WARNING и выше c отображением (номер строки, уровень логирования и сообщение) в отдельном разделе для каждого неудавшегося теста. Running without options: Aug 1, 2018 · Since version 3. 5 Volts in Feb 6, 2024 · I am writing functional tests in python w/ playright + pytest. Jun 10, 2024 · 日志输出的重要性不言而喻，不仅可以观测执行过程，更重要的是在发生bug时可以快速的定位到问题所在， Pytest 是出色的测试框架，但它不会自动显示 print 语句或日志的输出，这在尝试调试失败的测试或了解流程时可能会成为问题。 I am trying to test a context manager that sets up logging for my application and redirects warnings to logging with logging. Feb 7, 2024 · Pytest provides a built-in fixture called `caplog` that captures log messages during test execution. ini that in CLI or in the log file the output is displayed with timestamps and without the additional message "root:logging. Your insights and comments are invaluable. 50 -> 6. While using caplog is straightforward and efficient, you can also explore other methods available in Pytest: Using capsys Feb 7, 2024 · pytest logging documentation; Python logging documentation; Conclusion: Testing logging output with pytest in Python 3 is a useful technique for verifying that the correct log messages are being generated during the execution of code. Hot Network Questions Immunohistochemistry: what is the actual antigen for DO-7 Advice on handling disruptive students upset May 14, 2021 · From pytest --help:--show-capture={no,stdout,stderr,log,all} Controls how captured stdout/stderr/log is shown on failed tests. DEBUG) – May 10, 2023 · Last one fails as responses and messages are empty lists. 0 » Module code » _pytest. clear() -> clear Nov 16, 2022 · [pytest] addopts=-p no:logging pytest 3. -s is described as disabling capturing. I am using pytest my_tests. fixture() def logger(): logger = logging. capture. 4): python -m pytest --capture=tee-sys -o junit_logging=all --junit-xml=pytest_unit. capture_logs() context manager: pytest--quiet # quiet - less verbose - mode pytest-q # quiet - less verbose - mode (shortcut) pytest-v # increase verbosity, display individual test names pytest-vv # more verbose, display more details from the test output pytest-vvv # not a standard , but may be used for even more detail in certain setups Apr 23, 2021 · 今天更新了一波pytest，4. py, and I still get a pass. This is (hopefully) obvious to someone that knows logbook, but it's new to me. That redirects stderr into PyTest capture, but I'm not sure how to add the file output. Dec 6, 2019 · You need a pytest. I want to assert that a warning is not raised, bu Apr 4, 2013 · There are many circumstances where it’s really great to display the output of a test while a test is running, and not wait until the end. :return: The original disabled logging level. 4中进行了一些不兼容的更改： 除非Log_level配置或--log-level命令行选项明确请求，否则不再更改日志级别。这允许用户自己配置记录器对象。 Nov 29, 2023 · Pytest Logging is systematic way to capture, manage, and analyze log messages during test execution. For a beginner, Nov 23, 2024 · Logging Configuration: Make sure logging is configured properly in your module to ensure that the warning is actually emitted when the condition is met. ini文件中，在用例中直接导入logging，创建对象就可以直接使用。 pytest-qt; Tutorial; Qt Logging Capture. Default is 'all'. stdout/stderr Additionally, you can also specify --log-cli-format and --log-cli-date-format which mirror and default to --log-format and --log-date-format if not provided, but are applied only to the console logging handler. info("Test logging") assert "Test logging" in caplog. Dec 3, 2018 · Hot to use pytest capture logging. Nov 21, 2022 · pytest文档81 - 如何管理Captured logging日志，前言pytest自动捕获级别为WARNING或以上的日志消息，并以与捕获的stdout Apr 16, 2021 · 实时输出logging打印的日志 方法一、项目根目录或pytest运行目录添加pytest. def test_hello_world(caplog): runner = CliRunner() result = runner. exit_code == 0 assert result. stdout at the time partial is created. py> -rP --resultlog=mylog. check() It works fine but how about changing the default handler and loggers? For changing the loggers I tried passing as an argument names='my_logger' but it throws an error pytest will not print to the console when I use print. Apr 4, 2022 · I'm struggling with this too - could you use the --capture argument to capture writes to stdout / stderr / certain file handles? I'm also trying to capture a detailed output of what the actual assertions were and attach them to the test as evidence, and pytest makes this frustratingly hard. stdout" ) print Live Logs¶. logging Aug 3, 2015 · To use it : Put this file in the root of tests/ edit your conftest and insert in the top of the file : pytest_plugins = 'pytest_session_to_file' Then you can launch your test with the new option --session_to_file= like this : py. This setting accepts the logging level names as seen in python’s May 6, 2016 · The following command can be used to print output to stdout/stderr and also capture to the junit report (starting in pytest 5. 0. py and I get a pass. Disabling Logging Capture; qtlog fixture; Log Formatting; Automatically failing tests when logging messages are emitted; waitSignal: Waiting for threads, processes, etc. 0. py import logging import warnings logging. I've got the pytest-logbook plugin. Structlog and logging module not logging with pytest. capture import CaptureManager, FDCapture, MultiCapture # If the private method to be monkey-patched no longer exists, py. . pytest registers custom handlers to the root logger to be able to capture log records emitted in your code, so you can test whether your program logging behaviour is correct. ) test_capture_log. MyCode. messages -> list of format-interpolated log messages * caplog. sys level capturing: Only writes to Python files sys. disabled (): print ( "output not captured, going directly to sys. 不捕获模式 (no): 运行命令： pytest --capture=no 输出：标准输出和标准错误会实时显示在终端中。 3. import pytest import logging def pytest Mar 6, 2024 · 本指南介绍了在 Pytest 中打印到控制台的各种方法，包括使用 print 语句、pytest-capture 插件、logging 模块和命令行选项。文章解释了为什么 pytest 会抑制输出，并提供了解决方法来帮助用户调试和查看测试结果。此外，文章还回答了有关打印失败消息、打印到文件、调试和使用断言打印消息等常见问题。 If running pytest with the –pdb option this means the readline module is not imported until after I/O capture has been started. Apr 27, 2022 · 学过Python logging模块的应该都知道需要配置，创建记录器，创建处理器等步骤，这里不再赘述细节。pytest框架中，只需要将配置写入到pytest. info('Bouyaka!') assert 'Bouyaka!' in caplog. Of course this behaviour makes sense - how else would pytest know what to include / exclude. Built-in Logging (both spawn and fork) Also I noticed you use log = functools. invoke(hello, ['Peter']) assert result. Feedback & Comments. """Per-test stdout/stderr capturing mechanism. ). No setup needed. warning. How to manage logging¶ pytest captures log messages of level WARNING or above automatically and displays them in their own section for each failed test in the same manner as captured stdout and stderr. def test_foo(foo, caplog, expected_msgs): foo. :param logger_obj: The logger object to check. After pip install pytest-logging you can control the verbosity of the your logs (displayed on screen) with $ py. user = "alice" self. I can't seem to grab the contents of the log though. As a result, the events were not forwarded to LogCaptureHandler added by pytest to the root logger. import myapplication as tum class TestBlogger: @classmethod def setup_class(self): self. 你可以通过传递 --log-cli-level 来指定日志记录的日志级别，该级别或更高级别的日志记录将打印到控制台。 Additionally, you can also specify --log-cli-format and --log-cli-date-format which mirror and default to --log-format and --log-date-format if not provided, but are applied only to the console logging handler. 通过将 log_cli 配置选项设置为 true ，pytest 将在记录直接输出到控制台时输出日志记录。. toml 1 or pytest. We then log an info message and assert that the message is present in the captured log text. _nameToLevel`. stdout), I think a way to make it work with pytest capture is to not bind to sys. text -> string containing formatted log output * caplog. g. get The readouterr() call snapshots the output so far - and capturing will be continued. ini as well: [pytest] log_cli = True log_cli_level = DEBUG Source code for _pytest. ERROR) def test_function(logs): logs. Using capsys this way frees your test from having to care about setting/resetting output streams and also interacts well with pytest’s own per-test capturing. LogCaptureFixture object but with empty content. """ import contextlib import functools import io import os import sys from io import UnsupportedOperation from tempfile import TemporaryFile from typing import Any from typing import AnyStr from typing import Generator from typing import Generic from typing import Iterator from typing import Optional from typing Mar 5, 2021 · Two facts first: logging. stdout is pointing to, instead of binding it to sys. stdout/stderr 替换原有的标准输出 pytest --capture=fd # 也输出标准输出和标准错误输出 pytest --capture=tee-sys # 结合了 'sys' 和 '-s'，抓取 sys. It's unfortunate that this is presently necessary. but complete oversight on my part facepalm. 4. cfg）文件，内容如下： This repo contains the sample code for the article - How To Use Pytest Logging And Print To Console And File (A Comprehensive Guide) This project explains how to use Pytest logging and print to console and file Feb 21, 2021 · You can use the caplog fixture in pytest to capture the logging output like this:. By using this fixture, we can easily test the logging output of our code. Mar 3, 2022 · You signed in with another tab or window. test -p pytest_session_to_file --session_to_file=FILENAME Inspire by _pytest Source code for _pytest. I know there are errors, but where I'm trying to capture them, it returns None. debug. test -s -vv tests/your_test. Additionally, you can also specify --log-cli-format and --log-cli-date-format which mirror and default to --log-format and --log-date-format if not provided, but are applied only to the console logging handler. getLogger (logger_name) # save the original log-level to restore it during teardown self. py import logging import warnings log = logging. basicConfig() only has an effect if no logging configuration was done before invoking it (the target logger has no handlers registered). Hello! 👋 I've just released logot, which as the title says, is a log capture and assertion plugin. Using pytest’s -s (--capture=no) option will also disable Qt log capturing. DEBUG) # or whatever you prefer class LogThisTestCase(type): def __new__(cls, name, bases, dct): # if the TestCase If not given, the root logger level is updated versionchanged:: 3. bar() assert [r. . The feature is documented under Live Logs section. py to turn off specific loggers. If you want a finer-grained control of what you filter out, you might need to look into the logging configuration itself (change the captured log level, etc. _initial_log_levels Nov 8, 2019 · In my pytest script, I need to customize the pytest-HTML report for capturing the stdout at the same time writing into the console as I have user input in my automated test. py etc Nov 4, 2022 · This is a test example from pytest document, and I change print to logging. The option names are: log_cli_level; log_cli_format; log_cli Dec 5, 2024 · For additional information on logging in pytest, refer to the full documentation. Then I run this with pytest -s test_me. 3中引入，在社区反馈后，在3. 加了一下下，可以了. Both caplog and capsys depend on LogCaptureHandler receiving the propagated events. assertLogs(), or you want to capture all logs for some other reason, you can use the structlog. Captured logs are available through the following properties/methods:: * caplog. May 8, 2024 · You can set the level of logging you want to capture in your pytest configuration. This setting accepts the logging level names as seen in python’s documentation or an integer as the logging level num. While caplog itself is an existing _pytest. logger = logging. qtlog fixture . Jun 30, 2022 · so I have configured the pytest. py passes log to console: 2021-09-29 15:06:11,382 - root - ERROR - Started. clear() -> clear Sep 29, 2021 · I want to capture logs that are sent to Stream. This is useful for when you want to assert on the contents of a mes Mar 3, 2020 · --capture=no (or shortcut -s) disables capturing of print calls--log-cli-level enables "live logs": logging records are shown immediately as they happen ; For in-depth information and more related options see pytest's docs on output capturing and logging. text In the test above, we import the caplog fixture from pytest. stdout和文件描述符（fd）中的内容均打印出来了，而红框2即为Capture Log，此时只显示了 Mar 23, 2023 · Thanks I didn't realise pytest was running all test. 3。执行了一波测试发现之前的logging输出不见了。 看了下启动参数 --log-cli-level=LOG_CLI_LEVEL. user) print "This should be printed, but it won't be!" By setting the log_cli configuration option to true, pytest will output logging records as they are emitted directly into the console. May 14, 2022 · 【7月更文挑战第7天】Python的闭包和装饰器简化了日志记录。通过定义如`log_decorator`的装饰器，可以在不修改原函数代码的情况下添加日志功能。 Jan 4, 2019 · from testfixtures import log_capture import logging @log_capture(level=logging. partial(write, sys. The option names are: log_cli_level; log_cli_format; log_cli Dec 2, 2024 · pytest --capture=fd 输出：标准输出和错误不会直接显示在终端中，而是只在失败时打印或保存在日志中。 2. stderr will be captured. test -s -v tests/your_test. After the test function finishes the original streams will be restored. Given that Windows can only use spawn, this is not a solution. """ from contextlib import contextmanager from contextlib import nullcontext from datetime import datetime from datetime import timedelta from datetime import timezone import io from io import StringIO import logging from logging import LogRecord import os from pathlib import Path import re from Jan 8, 2019 · If you don't need log capturing (for example, when writing system tests with pytest), you can turn it off by disabling the logging plugin: $ pytest -p no:logging Or persist it in the pyproject. pytest. class LoggedTestCase(unittest. You signed out in another tab or window. 现在启动参数是 Jul 23, 2019 · Note--result-log argument is deprecated and scheduled for removal in version 6. 0 (see Deprecations and Removals: Result log). TestCase. One pytest -s # 禁用所有的抓取 pytest --capture=sys # 使用python文件中的 sys. Thanks for your help! – Sep 19, 2011 · I grew tired of having to manually add Fabio's great code to all setUps, so I subclassed unittest. Docs for --capture=tee-sys and junit_logging=all Nov 30, 2022 · 文章浏览阅读1k次。pytest 自动捕获级别为 WARNING 或以上的日志消息，并以与捕获的 stdout 和 stderr 相同的方式在每个失败测试的各自部分中显示它们。_pytest captured logging log Mar 21, 2022 · Disable live logs: log_cli = 0 in pytest. The documentation seems to say that it should work by default. records -> list of logging. disable if isinstance (level, str): # Try to translate the level string to an int for `logging. py This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. pytest-qt also provides a qtlog fixture that can used to check if certain messages were emitted during a test: Sep 3, 2019 · [TOC] &quot;返回: Pytest权威教程&quot; 记录日志 Pytest默认捕获WARNING以上日志消息，在每个失败的测试结果概要中，捕获的log信息和stdout、stderr信息使用相同的方式，分块显示。 不带选项运行： 失败的用例显示格式如下： 默认情况下，捕获到的每条日志消 The readouterr() call snapshots the output so far - and capturing will be continued. 3, pytest supports live logging, meaning that all the log records emitted in tests will be printed to the terminal immediately. 4 The levels of the loggers changed by this function will be restored to their initial values at the end of the test. INFO, format="%(asctime)s [%(levelname)s] %(message)s") yield # Code to be executed after logging configuration # Cleanup if needed (e. logging. Aug 31, 2016 · The file should get every log level, but stderr should have a higher threshold (which PyTest will manage with it's usual capture settings). TestCase with some __metaclass__ing:. stdout/stderr # and passing it along to the actual sys. records returns nothing. Running without options: There are three ways in which pytest can perform capturing: fd (file descriptor) level capturing (default): All writes going to the operating system file descriptors 1 and 2 will be captured. getreports('') # combine captured stdout of reports Source code for _pytest. getLogger('Some. logging; Source code for _pytest. msg for r in caplog. getLogger("unittestLogger") logger. txt --log-cli-level=INFO. Which according to the manual doesn't make sense. Jul 12, 2023 · Then we explored how to configure logging through the CLI and pytest. By setting the log_cli configuration option to true, pytest will output logging records as they are emitted directly into the console. text # passes! Aug 28, 2022 · 使用pytest --capture=tee-sys命令，即打开实时输出，实时输出显示所有内容，同时在用例报错的时候也显示Captrue Log，但Capture Log只捕获sys. ini_options] addopts = "-p no:logging" The same configuration with (legacy) pytest. py to run this test:. If you need functionality similar to unittest. tee-sys 模式: 运行命令： pytest --capture=tee-sys pytest -s # disable all capturing pytest --capture = sys # replace sys. Python’s Built-in Logging vs. The possible replacement implementation is discussed in issue #4488, so watch out for the next major version bump - the code below will stop working with pytest==6. Expected Output. In the above example, we write a test function named `test_logging` that uses the `caplog` fixture. getLogger(name) logger. , DEBUG, INFO, etc. stdout/stderr with in-mem files pytest --capture = fd # also point filedescriptors 1 and 2 to temp file pytest --capture = tee-sys # combines 'sys' and '-s', capturing sys. Testing¶. manager. 4中的不兼容更改. captureWarnings(True). ini; Disable capture: -s flag equivalent to --capture=no; Disable showing captured logs: --show-capture=no (should be disabled when capture is turned off, but ) So by disabling live logs and by running pytest -s --show-capture=no you should get rid of the duplicated logs and get only rich-formatted logs. It seems like the code is not loading in the correct sequential order for some reason. 实时日志¶. """ logger_name = logger logger = logging. To review, open the file in an editor that reveals hidden Unicode characters. py:55" Jan 9, 2015 · pytest </path/test_blah. stdout, s) This way, you will always write to whatever sys. 该功能在3. # mypy: allow-untyped-defs """Access and control log capturing. logot has a few unique things, such as being logging-framework-agnostic and having support for testing highly concurrent code using threads or async. When test is executed, I want to output container logs in case of failure. """Access and control log capturing. In this post, I’m going to describe my method for getting around pytest’s output capture mechanism, so that I can see my debug print/logging statements in real time. 3 使用print来 May 29, 2017 · I've read the various questions about pytest-catchlog etc but I'm none the wiser - how exactly does Pytest do logging? I have a top-level Python app that creates a log file. You switched accounts on another tab or window. Live logging is disabled by default; to enable it, set log_cli = 1 in the pyproject. TestCase): __metaclass__ = LogThisTestCase logger = logging. Logger') logger. This is in principle achie Jul 12, 2019 · Pytest does not support this by default, but you can add a custom option to your conftest. py files in the project when using pytest . records] == expected_msgs Dec 20, 2020 · Hot to use pytest capture logging. Hot Network Questions Using pytest’s -s (--capture=no) option will also disable Qt log capturing. ini、setup. test --session_to_file=FILENAME Or : py. By using the caplog fixture provided by pytest, we can capture the log output and perform assertions on it Aug 7, 2012 · A bit of a late contribution, but I can recommend pytest-logging for a simple drop-in logging capture solution. EDITED: The issue is that I capture logs not in the method itself but in other fixture that prepares data for the test method. LogRecord instances * caplog. disable()` level = logging. py:55" It will be fine to have also the timestamps in the html report and ommit the entry of "root:logging. 9. import pytest import logging @pytest. Set the log level you want to use (e. py impo pytest 自动捕获级别为 WARNING 或以上的日志消息，并以与捕获的 stdout 和 stderr 相同的方式在每个失败测试的各自部分中显示它们。 Apr 1, 2022 · import pytest from _pytest. I was not able to capture the children logging with any library when using spawn. Managing pytest’s output; How to manage logging; How to capture stdout/stderr output; How to capture warnings; How to use skip and xfail to deal with tests that cannot succeed; How to install and use plugins; Writing plugins; Writing hook functions; How to use pytest with an existing test suite; How to use unittest-based tests with pytest Simplest answer of all. I'm writing a test to identify any errors in the browser log. prfgk dejiki icvtpoe nwf vbbio wakxmax eens wnw ftslpl nmagsuh yas sjxjgs zby kcnaa fqtx